Four cleansing modes are suitable for all skin types and meet your basic needs. Ultra-thin and streamlined design. The thickness is only 13.5 mm, USB rechargeable, easy to carry and travel-friendly design. ABS+PC+ stainless steel cleaning head, very clean and non-toxic. The high-frequency ultrasonic vibration of up to 26,000/s and the efficient nano medium improve the cleaning ability of the devices.